Why do ventricles have thicker walls than atria? How do semilunar valves prevent backflow? How does the structure of the tricuspid valve assist the valve to function properly? Why can't we give blood through arterial line? Why doesn't atheroma occur in veins?
Why do we weigh more at the poles? Explain how magnetic flux can be zero when the magnetic field is not zero. Why do we prefer steel or alnico for making permanent magnets? Explain magnetic field and magnetic forces, and give examples in daily life. What would happen if one of the...
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"For steel we used electromagnets to pick up the parts," Blosser says. "That obviously wouldn't work with aluminum because it's nonferrous, so we had to go to the vacuum system." I walk around to the output end of the press, where F-150 fenders are dropping onto the conveyor belt ...
Why do we use a graduated cylinder? Why are electromagnets used? Why doesnt refraction happen at a curved surface? Why can't solids be compressed? Why metals are opaque. Why do photoreceptors respond to the logarithm of luminance? Why are crystalline solids brittle? Why are transition metal co...
Enter, after many years of planning, the Large Hadron Collider (LHC), an experiment massive enough to potentially falsify the theory of the Higgs boson. The 17-mile loop of super-powered electromagnets can accelerate charged particles to significant fractions of the speed of light, causing collisi...
While household robots today do the normal housework, social robots will be much more like partners than tools. For example, these robots will be able to tell when someone is happy or sad. This allows them to respond more properly to the user. The Jibo robot, arranged to ship later this...
not off to the side of the trackpad or near a bezel. By using four independently-driven electromagnets, Apple has essentially created aphased arrayof simulated linear actuators (iMore.comthoroughly explainsthe difference between the spinning-weight vibrators most devices use and linear actuators, whic...
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